| 激光熔覆镍基合金和Ni/WC涂层的磨损特性 |
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| 引用本文： | 吴萍,周昌炽,唐西南.激光熔覆镍基合金和Ni/WC涂层的磨损特性[J].金属学报,2002,38(12):1257-1260. |
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| 作者姓名： | 吴萍 周昌炽 唐西南 |
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| 作者单位： | 1. 天津大学理学院,天津,300072
2. 清华大学材料科学与工程系,北京,100084 |
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| 基金项目： | 国家自然科学基金资助项目50104008，教育部留学回国人员科研启动基金资助项目，天津大学教育振兴行动计划支持项目 |
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| 摘 要： | 采用热喷涂方法预置0．5mm厚度的涂层，研究在激光熔覆过程中不同的激光功率对涂层组织特性的影响，对镍基合金涂层和Ni/WC陶瓷涂层进行耐磨实验，结果表明，两种涂层存在不同的磨损特性，WC陶瓷颗粒在涂层及其表面的均匀分布可提高涂层的耐磨性，硬度和韧性的相互匹配是提高材料磨性的有效方法。
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| 关 键 词： | 磨损 激光熔覆 合金涂层 陶瓷涂层 耐磨性 |
| 文章编号： | 0412-1961(2002)12-1257-04 |
| 修稿时间： | 2002年1月21日 |
WEAR CHARACTERISTICS OF Ni-BASE ALLOY AND Ni/WC COATINGS BY LASER CLADDING |
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| WU PingSchool of Science,Tianjin University,Tianjin ZHOU Changchi,TANG Xinan.WEAR CHARACTERISTICS OF Ni-BASE ALLOY AND Ni/WC COATINGS BY LASER CLADDING[J].Acta Metallurgica Sinica,2002,38(12):1257-1260. |
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| Authors: | WU PingSchool of Science Tianjin University Tianjin ZHOU Changchi TANG Xinan |
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| Affiliation: | WU PingSchool of Science,Tianjin University,Tianjin 300072ZHOU Changchi,TANG XinanDepartment of Materials Science and Engineering,Tsinghua University,Beijing 100084 |
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| Abstract: | The influences of the laser power in thermal spray and laser cladding coating on the properties of layers with thickness of 0.5 mm were widely studied. The Ni-based alloy coating and Ni-clad WC ceramic coating were prepared and characterized by abrasive wear resistance test. The results show that there are the different wear characteristics in the two kinds of coating and the even-distributed ceramic hard phases in and on the surface of the coating can improve the wear resistance of the layers. The matching of hardness and toughness in the layer is the effective way to improve the wear resistance property. |
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| Keywords: | laser cladding alloy coating ceramic coating wear resistance property |
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